Title :
Effects of array element patterns on optimum beamforming in the presence of multiple interferers
Author :
Dietrich, C.B., Jr. ; Stutzman, W.L.
Author_Institution :
Antenna Group, Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA
Abstract :
Adaptive arrays are being considered for use in commercial mobile communication systems. Base stations in these systems experience interference from multiple mobiles using the same frequency in different locations. This paper extends Ishide and Compton´s (1980) formulation for performance of an optimum beamformer with general element patterns to the multiple-interferer case. A modeling approach is devised and results are given for linear and circular arrays with omnidirectional and directional elements for two signal scenarios
Keywords :
adaptive antenna arrays; antenna radiation patterns; array signal processing; direction-of-arrival estimation; directive antennas; land mobile radio; linear antenna arrays; radiofrequency interference; adaptive antenna arrays; array element patterns; base stations; circular arrays; directional elements; interference; mobile communication systems; multiple interferers; omnidirectional elements; optimum beamformer performance; optimum beamforming; signal scenarios; Adaptive arrays; Antenna arrays; Array signal processing; Geometry; Interference; Mobile antennas; Mobile communication; Phased arrays; Signal to noise ratio; Telecommunications;
Conference_Titel :
Southeastcon '97. Engineering new New Century., Proceedings. IEEE
Conference_Location :
Blacksburg, VA
Print_ISBN :
0-7803-3844-8
DOI :
10.1109/SECON.1997.598645
